Merge Chromium + Blink git repositories
[chromium-blink-merge.git] / content / renderer / gin_browsertest.cc
blobe536bd62699aa4eeac12a37be48f607d5f122dd2
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/command_line.h"
6 #include "content/public/common/content_switches.h"
7 #include "content/public/test/render_view_test.h"
8 #include "content/renderer/render_view_impl.h"
9 #include "gin/handle.h"
10 #include "gin/per_isolate_data.h"
11 #include "gin/wrappable.h"
12 #include "testing/gtest/include/gtest/gtest.h"
13 #include "third_party/WebKit/public/web/WebFrame.h"
14 #include "third_party/WebKit/public/web/WebKit.h"
15 #include "third_party/WebKit/public/web/WebView.h"
17 namespace content {
19 namespace {
21 class TestGinObject : public gin::Wrappable<TestGinObject> {
22 public:
23 static gin::WrapperInfo kWrapperInfo;
25 static gin::Handle<TestGinObject> Create(v8::Isolate* isolate, bool* alive) {
26 return gin::CreateHandle(isolate, new TestGinObject(alive));
29 private:
30 TestGinObject(bool* alive) : alive_(alive) { *alive_ = true; }
31 ~TestGinObject() override { *alive_ = false; }
33 bool* alive_;
35 DISALLOW_COPY_AND_ASSIGN(TestGinObject);
38 gin::WrapperInfo TestGinObject::kWrapperInfo = { gin::kEmbedderNativeGin };
40 class GinBrowserTest : public RenderViewTest {
41 public:
42 GinBrowserTest() {}
43 ~GinBrowserTest() override {}
45 void SetUp() override {
46 base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
47 switches::kJavaScriptFlags, "--expose_gc");
49 RenderViewTest::SetUp();
52 private:
54 DISALLOW_COPY_AND_ASSIGN(GinBrowserTest);
57 // Test that garbage collection doesn't crash if a gin-wrapped object is
58 // present.
59 TEST_F(GinBrowserTest, GinAndGarbageCollection) {
60 LoadHTML("<!doctype html>");
62 bool alive = false;
65 v8::Isolate* isolate = blink::mainThreadIsolate();
66 v8::HandleScope handle_scope(isolate);
67 v8::Context::Scope context_scope(
68 view_->GetWebView()->mainFrame()->mainWorldScriptContext());
70 // We create the object inside a scope so it's not kept alive by a handle
71 // on the stack.
72 TestGinObject::Create(isolate, &alive);
75 CHECK(alive);
77 // Should not crash.
78 blink::mainThreadIsolate()->LowMemoryNotification();
80 CHECK(!alive);
83 } // namespace
85 } // namespace content